package com.lyu.travel.config;

import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * @ProjectName: [travel]
 * @Package: [com.lyu.travel.config]
 * @ClassName: [mybatisPlusConfig]
 * @Description: MybatisPlus配置类
 * @Author: [78483]
 * @CreateDate: [2020-05-16 11:09]
 * @UpdateUser: [78483]
 * @UpdateDate: [2020-05-16 11:09]
 * @UpdateRemark: [说明本次修改内容]
 * @Version: [v1.0]
 */
@EnableTransactionManagement
@Configuration
@MapperScan("com.lyu.travel.*.mapper*")
class MybatisPlusConfig {

    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
/**
 *          设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
 *          paginationInterceptor.setOverflow(false);
 *          设置最大单页限制数量，默认 500 条，-1 不受限制
 *          paginationInterceptor.setLimit(500);
 *          开启 count 的 join 优化,只针对部分 left join
 */
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        return paginationInterceptor;
    }
}